Home / 51,938.09-77,903.25-16,400.62

Finding the Fourth Proportional to 51,938.09, 77,903.25 and 16,400.62

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Solution

The fourth proportional to 51,938.09, 77,903.25 and 16,400.62 is: 24,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.09 : 77,903.25 = 16,400.62 : x
  2. Step 2: Convert to fraction form
    51,938.09/77,903.25 = 16,400.62/x
  3. Step 3: Cross multiply
    51,938.09x = 77,903.25 × 16,400.62
  4. Step 4: Simplify right side
    51,938.09x = 1,277,661,600.02
  5. Step 5: Solve for x
    x = 1,277,661,600.02/51,938.09
  6. Step 6: Final answer
    x = 24,599.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.